195
FNCA52 TJSJ 220730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SUN MAR 22 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-222000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 60 60
TEMP (24H TREND) 84 (0) 69 (-2) 86
RH % (24H TREND) 55 (-3) 93 (+3) 54
WIND 20FT/EARLY(MPH) NE 6 NE 6 NE 11
WIND 20FT/LATE(MPH) SE 5 NE 6 NE 12
MIXING HGT(FT-AGL/MSL)3510 4870
TRANSPORT WND (MPH) N 2 NE 9
VENT RATE (KT-FT) 7020 38960
DISPERSION 3 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-222000-
SOUTHERN HILLS-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 70 60
TEMP (24H TREND) 79 (0) 66 (-2) 81
RH % (24H TREND) 71 (+1) 98 (+3) 69
WIND 20FT/EARLY(MPH) N 8 NE 9 NE 10
WIND 20FT/LATE(MPH) NE 9 NE 8 NE 10
MIXING HGT(FT-AGL/MSL)2990 4240
TRANSPORT WND (MPH) N 6 NE 9
VENT RATE (KT-FT) 14950 33920
DISPERSION 4 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-222000-
NORTH COASTAL PLAINS-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 70 60
TEMP (24H TREND) 83 (-4) 69 (-1) 82
RH % (24H TREND) 68 (+9) 98 (+2) 68
WIND 20FT/EARLY(MPH) N 16 NE 13 NE 17
WIND 20FT/LATE(MPH) NE 14 NE 12 NE 17
MIXING HGT(FT-AGL/MSL)3080 3660
TRANSPORT WND (MPH) N 15 NE 16
VENT RATE (KT-FT) 40040 51240
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-222000-
NORTHERN HILLS-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 60 50
TEMP (24H TREND) 79 (-5) 67 (-2) 81
RH % (24H TREND) 76 (+16) 100 (+4) 70
WIND 20FT/EARLY(MPH) N 13 NE 12 NE 16
WIND 20FT/LATE(MPH) NE 13 NE 11 NE 16
MIXING HGT(FT-AGL/MSL)2590 3470
TRANSPORT WND (MPH) N 15 NE 15
VENT RATE (KT-FT) 33670 45110
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-222000-
WEST COAST-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 30 70
TEMP (24H TREND) 83 (-2) 67 (-3) 85
RH % (24H TREND) 71 (+5) 99 (+2) 64
WIND 20FT/EARLY(MPH) NE 19 NE 16 NE 17
WIND 20FT/LATE(MPH) NE 17 NE 14 NE 17
MIXING HGT(FT-AGL/MSL)3100 4300
TRANSPORT WND (MPH) N 20 NE 14
VENT RATE (KT-FT) 52700 51600
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-222000-
EASTERN INTERIOR-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 80 70
TEMP (24H TREND) 82 (0) 68 (-1) 81
RH % (24H TREND) 68 (+3) 99 (+3) 70
WIND 20FT/EARLY(MPH) W 6 N 9 NE 11
WIND 20FT/LATE(MPH) N 8 N 11 NE 10
MIXING HGT(FT-AGL/MSL)2950 3580
TRANSPORT WND (MPH) NW 7 NE 14
VENT RATE (KT-FT) 17700 42960
DISPERSION 4 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-222000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 90 70
TEMP (24H TREND) 78 (+1) 65 (-2) 77
RH % (24H TREND) 71 (0) 100 (+2) 73
WIND 20FT/EARLY(MPH) LGT/VAR N 6 NE 9
WIND 20FT/LATE(MPH) N 5 NE 8 NE 9
MIXING HGT(FT-AGL/MSL)3150 3450
TRANSPORT WND (MPH) W 5 NE 14
VENT RATE (KT-FT) 12600 41400
DISPERSION 3 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-222000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 60 50
TEMP (24H TREND) 77 (-2) 64 (-3) 80
RH % (24H TREND) 73 (+4) 100 (+2) 69
WIND 20FT/EARLY(MPH) N 14 NE 13 NE 16
WIND 20FT/LATE(MPH) NE 13 NE 11 NE 16
MIXING HGT(FT-AGL/MSL)1930 3500
TRANSPORT WND (MPH) N 12 NE 13
VENT RATE (KT-FT) 19300 38500
DISPERSION 5 5
DSI 5 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-222000-
CAYEY MOUNTAIN RANGE-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 80 70
TEMP (24H TREND) 77 (0) 65 (-2) 77
RH % (24H TREND) 72 (0) 100 (+2) 74
WIND 20FT/EARLY(MPH) LGT/VAR N 5 N 8
WIND 20FT/LATE(MPH) LGT/VAR N 5 NE 8
MIXING HGT(FT-AGL/MSL)3610 3820
TRANSPORT WND (MPH) NW 5 NE 12
VENT RATE (KT-FT) 14440 38200
DISPERSION 3 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-222000-
VIEQUES-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 70
TEMP (24H TREND) 85 (+2) 71 (-2) 85
RH % (24H TREND) 60 (-1) 94 (+3) 59
WIND 20FT/EARLY(MPH) LGT/VAR N 11 NE 12
WIND 20FT/LATE(MPH) N 8 NE 12 NE 6
MIXING HGT(FT-AGL/MSL)2090 2780
TRANSPORT WND (MPH) NW 2 NE 21
VENT RATE (KT-FT) 4180 50040
DISPERSION 4 5
DSI 4 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-222000-
CULEBRA-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 80
TEMP (24H TREND) 85 (+2) 72 (-2) 85
RH % (24H TREND) 61 (-2) 95 (+5) 62
WIND 20FT/EARLY(MPH) SW 6 N 9 NE 11
WIND 20FT/LATE(MPH) NW 8 NE 11 NE 6
MIXING HGT(FT-AGL/MSL)2300 2760
TRANSPORT WND (MPH) N 5 NE 21
VENT RATE (KT-FT) 9200 49680
DISPERSION 4 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-222000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 50 80
TEMP (24H TREND) 85 (0) 68 (-3) 87
RH % (24H TREND) 56 (-3) 92 (+1) 51
WIND 20FT/EARLY(MPH) NE 21 NE 17 NE 17
WIND 20FT/LATE(MPH) NE 18 NE 16 E 18
MIXING HGT(FT-AGL/MSL)2760 5410
TRANSPORT WND (MPH) N 14 NE 7
VENT RATE (KT-FT) 33120 32460
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-222000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 70
TEMP (24H TREND) 85 (+2) 71 (-3) 85
RH % (24H TREND) 59 (-3) 96 (+9) 58
WIND 20FT/EARLY(MPH) S 5 N 5 NE 6
WIND 20FT/LATE(MPH) W 6 NE 6 NE 6
MIXING HGT(FT-AGL/MSL)2570 2720
TRANSPORT WND (MPH) W 2 NE 12
VENT RATE (KT-FT) 5140 27200
DISPERSION 4 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-222000-
ST CROIX-
330 AM AST SUN MAR 22 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 50
TEMP (24H TREND) 85 (+2) 71 (-3) 85
RH % (24H TREND) 59 (-2) 95 (+9) 60
WIND 20FT/EARLY(MPH) S 5 LGT/VAR E 8
WIND 20FT/LATE(MPH) S 5 LGT/VAR E 8
MIXING HGT(FT-AGL/MSL)5020 3730
TRANSPORT WND (MPH) S 6 E 8
VENT RATE (KT-FT) 25100 26110
DISPERSION 5 5
DSI 6 1 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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